package com.lhn.dao.impl;

import com.lhn.dao.BookDao;

/**
 * @author lhn
 * @date 2024-08-17 12:52
 */

public class BookDaoImpl implements BookDao {
    private String username;
    public void setUsername(String username) {
        this.username = username;
    }
    @Override
    public void save() {
        System.out.println("book dao save ... " + username);
    }
}
